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ABB tef4-off electronic timers
ABB TEF4-OFF frontal electronic timer relay with OFF-delay function, adjustable timing ranges up to 100 seconds and compatibility with ABB AF, AFC, NF and NFC contactors.
£58.85
Why Choose the ABB 1SBN020114R1000 TEF4-OFF Electronic Timer?
The ABB 1SBN020114R1000, also known as the TEF4-OFF, is a compact front-mounted electronic OFF-delay timer designed for seamless integration with ABB AF series contactors and NF contactor relays. It provides accurate time-delayed switching for industrial control systems, motor starters and machine automation applications, helping improve operational efficiency and simplify control panel design.
The TEF4-OFF mounts directly onto compatible ABB contactors, eliminating the need for separate timer relays and additional wiring. Its integrated surge protection, broad 24-240 V AC/DC control voltage range and adjustable delay settings make it an ideal solution for OEM machine builders and industrial automation engineers.
Featuring adjustable delay times from 0.1 to 100 seconds, screw terminal connections and reliable OFF-delay functionality, the ABB 1SBN020114R1000 offers dependable timing control while reducing installation time and saving valuable cabinet space.
Key Advantages
- Compact front-mounted OFF-delay electronic timer for ABB AF contactors.
- Adjustable timing range from 0.1 to 100 seconds.
- Wide 24-240 V AC/DC operating voltage for maximum flexibility.
- Direct plug-in installation reduces wiring and installation costs.
- Integrated varistor provides protection against contactor coil voltage surges.
- Ideal for industrial automation, machine sequencing and motor control applications.
Key Features
- ABB TEF4-OFF electronic timer series.
- OFF-delay timing function.
- Adjustable delay from 0.1 to 100 seconds.
- Three selectable timing ranges.
- 1 NO + 1 NC auxiliary contacts.
- 24-240 V AC/DC operating voltage.
- Screw terminal connections.
- Direct front mounting onto ABB AF09-AF96 contactors and NF contactor relays.
- Integrated varistor for surge suppression.
- Compact cabinet-mounted accessory.
Reliable OFF-Delay Timing for Industrial Control Systems
The ABB TEF4-OFF electronic timer provides precise OFF-delay control, allowing connected equipment to continue operating for a preset period after the control signal is removed. This functionality is widely used for controlled shutdown sequences, ventilation systems, motor control and industrial automation processes.
Designed to mount directly onto ABB AF contactors, the timer minimises wiring complexity while delivering dependable timing performance across a wide range of industrial environments. Its integrated surge protection helps improve contactor reliability and extends system life.
Typical Applications
- Industrial motor control circuits.
- Machine shutdown sequencing.
- Conveyor and material handling systems.
- Pump and ventilation control.
- Packaging and manufacturing machinery.
- OEM electrical control panels.
- Industrial automation systems.
Technical Specifications
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| Terminal Type | Screw | |
|---|---|---|
| Current | 3 A | |
| IP Rating | IP20 | |
| Poles | 2-pole | |
| Device Type | Accessory | |
| Auxiliary Contacts | 1NO + 1NC | |
| Series | TEF4 | |
| Part number | 1SBN020114R1000 | |
| Product type | Frontal electronic timer | |
| Timer function | OFF-delay | |
| Timing range | 0.1 to 100 seconds | |
| Timing range selection | 3 selectable ranges | |
| Auxiliary contacts | 1 NO + 1 NC | |
| Number of poles | 2P | |
| Rated operational voltage | 24 to 240 V AC/DC | |
| Rated frequency | 50 / 60 Hz | |
| Rated operational current AC-15 | 3 A at 24/127 V AC, 1.5 A at 220/240 V AC | |
| Rated operational current DC-13 | 1 A at 24 V DC | |
| Rated insulation voltage | 400 V IEC, 300 V UL/CSA | |
| Impulse withstand voltage | 4 kV | |
| Conventional free-air thermal current | 5 A | |
| Maximum electrical switching frequency | 1200 cycles/hour AC-15 | |
| Maximum mechanical switching frequency | 3600 cycles/hour | |
| Terminal type | Screw terminals | |
| Protection rating | IP20 | |
| Compatible contactors | ABB AF09...AF96, AFC09...AFC96, NF and NFC contactor relays | |
| Operating temperature | approx. -25 °C to +70 °C | |
| Standards | IEC/EN 60947-5-1, UL 508, CSA C22.2 | |
| Dimensions (W × H × D) | approx. 43 × 41.6 × 67.7 mm | |
| Weight | approx. 0.065 kg | |
| EAN | 3471523130654 |
Frequently Asked Questions
What is the ABB 1SBN020114R1000 used for?
It provides an adjustable OFF-delay timing function for ABB AF contactors and NF contactor relays used in industrial automation and motor control systems.
What timing range does the TEF4-OFF support?
The timer offers adjustable OFF-delay settings from 0.1 to 100 seconds across three selectable timing ranges.
What control voltage does this timer require?
The TEF4-OFF operates from a 24-240 V AC/DC control supply and does not require an additional supply for the OFF-delay function.
Which ABB contactors is it compatible with?
It is designed for use with ABB AF09-AF96 contactors and compatible NF contactor relays.
Does the timer include surge protection?
Yes. The timer includes an integrated varistor to help protect the contactor coil against voltage surges.
Trusted by Industrial Automation Professionals
ABB TEF4 electronic timers are widely trusted by machine builders, panel manufacturers and industrial automation engineers for delivering reliable timing control, simple installation and dependable long-term performance.
